Week 5 Part 2 Review
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Last updated 4:31 AM on 5/5/23
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11 Terms
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What is the relationship between acid strength and pKa?
the stronger the acid, the smaller the pKa
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What is the relationship between base strength and pKb?
the stronger the base, the smaller the pKb
3
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characterstics of neutral solution
concentrations of H+ and OH- are same, \[H+\]=1x10^-7, pH=7
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characterstics of acidic solution
concentrations of H+ greater than OH-, \[H+\]>1x10^-7, pH
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characteristics of basic solution
concentrations of H+ less than OH-, \[H+\]
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How are pKa and pKb related?
at 25c pKa + pKb = 14
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How do you find concentration of \[OH-\]?
pOH=-log(OH-)
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How do you find concentration of \[H+\]?
pH=-log(H+)
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What is percent ionization? What is the trend?
\[H+\]/\[HA\]x100, at lower concentrations weak acids can become fully ionized because weak acidity means theres more reactant, so it will shift to products, so more ions
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pKa expression
pKa=-log(Ka)
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pKb expression
pKb=-log(Kb)
Note 
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